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Non-referential face image quality assessment methods have gained popularity as a pre-filtering step on face recognition systems. In most of them, the quality score is usually designed with face matching in mind. However, a small amount of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Carlos Aravena , Diego Pasmino , Juan E. Tapia , Christoph Busch

Much of the work on automatic facial expression recognition relies on databases containing a certain number of emotion classes and their exaggerated facial configurations (generally six prototypical facial expressions), based on Ekman's…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 Wenjing Yan , Shan Li , Chengtao Que , JiQuan Pei , Weihong Deng

Isolated facial movements, so-called Action Units, can describe combined emotions or physical states such as pain. As datasets are limited and mostly imbalanced, we present an approach incorporating a multi-label class balancing algorithm.…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Jaspar Pahl , Ines Rieger , Dominik Seuss

Affective Analysis is not a single task, and the valence-arousal value, expression class, and action unit can be predicted at the same time. Previous researches did not pay enough attention to the entanglement and hierarchical relation of…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Ruian He , Zhen Xing , Weimin Tan , Bo Yan

This paper presents a classifier ensemble for Facial Expression Recognition (FER) based on models derived from transfer learning. The main experimentation work is conducted for facial action unit detection using feature extraction and…

Computer Vision and Pattern Recognition · Computer Science 2018-07-20 Yen Khye Lim , Zukang Liao , Stavros Petridis , Maja Pantic

The quantified measurement of facial expressiveness is crucial to analyze human affective behavior at scale. Unfortunately, methods for expressiveness quantification at the video frame-level are largely unexplored, unlike the study of…

Computer Vision and Pattern Recognition · Computer Science 2021-10-08 Md Taufeeq Uddin , Shaun Canavan

Adversarial examples have revealed the vulnerability of deep learning models and raised serious concerns about information security. The transfer-based attack is a hot topic in black-box attacks that are practical to real-world scenarios…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Jian-Wei Li , Wen-Ze Shao

Accurate facial expression analysis is an essential step in various clinical applications that involve physical and mental health assessments of older adults (e.g. diagnosis of pain or depression). Although remarkable progress has been…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Azin Asgarian , Shun Zhao , Ahmed B. Ashraf , M. Erin Browne , Kenneth M. Prkachin , Alex Mihailidis , Thomas Hadjistavropoulos , Babak Taati

The rapid evolution of generative AI has increased the threat of realistic audio-visual deepfakes, demanding robust detection methods. Existing solutions primarily address unimodal (audio or visual) forgeries but struggle with multimodal…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Jian Wang , Baoyuan Wu , Li Liu , Qingshan Liu

The Affective Behavior Analysis in-the-wild (ABAW) 2022 Competition gives Affective Computing a large promotion. In this paper, we present our method of AU challenge in this Competition. We use improved IResnet100 as backbone. Then we train…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Wenqiang Jiang , Yannan Wu , Fengsheng Qiao , Liyu Meng , Yuanyuan Deng , Chuanhe Liu

Facial palsy is unilateral facial nerve weakness or paralysis of rapid onset with unknown causes. Automatically estimating facial palsy severeness can be helpful for the diagnosis and treatment of people suffering from it across the world.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Xuri Ge , Joemon M. Jose , Pengcheng Wang , Arunachalam Iyer , Xiao Liu , Hu Han

Automated facial identification and facial expression recognition have been topics of active research over the past few decades. Facial and expression recognition find applications in human-computer interfaces, subject tracking, real-time…

Computer Vision and Pattern Recognition · Computer Science 2016-10-25 Sohini Roychowdhury , Michelle Emmons

The automatic recognition of facial expressions has been an active research topic since the early nineties. There have been several advances in the past few years in terms of face detection and tracking, feature extraction mechanisms and…

Computer Vision and Pattern Recognition · Computer Science 2012-04-02 Vinay Bettadapura

Distal facial Electromyography (EMG) can be used to detect smiles and frowns with reasonable accuracy. It capitalizes on volume conduction to detect relevant muscle activity, even when the electrodes are not placed directly on the source…

Human-Computer Interaction · Computer Science 2020-08-21 Monica Perusquia-Hernandez , Felix Dollack , Chun Kwang Tan , Shushi Namba , Saho Ayabe-Kanamura , Kenji Suzuki

Facial action unit (AU) detection remains challenging because it involves heterogeneous, AU-specific uncertainties arising at both the representation and decision stages. Recent methods have improved discriminative feature learning, but…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Yuze Li , Zhilei Liu

Human action recognition in computer vision has been widely studied in recent years. However, most algorithms consider only certain action specially with even high computational cost. That is not suitable for practical applications with…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Zezhou Chen , Yajie Cui , Kaikai Zhao , Zhaoxiang Liu , Shiguo Lian

Generative models have surged in popularity recently due to their ability to produce high-quality images and video. However, steering these models to produce images with specific attributes and precise control remains challenging. Humans,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Tuomas Varanka , Huai-Qian Khor , Yante Li , Mengting Wei , Hanwei Kung , Nicu Sebe , Guoying Zhao

Identity authentication is the process of verifying one's identity. There are several identity authentication methods, among which biometric authentication is of utmost importance. Facial recognition is a sort of biometric authentication…

Computer Vision and Pattern Recognition · Computer Science 2022-12-15 Matineh Pooshideh

Research on human face processing using eye movements has provided evidence that we recognize face images successfully focusing our visual attention on a few inner facial regions, mainly on the eyes, nose and mouth. To understand how we…

Computer Vision and Pattern Recognition · Computer Science 2017-09-06 Carlos E. Thomaz , Vagner Amaral , Gilson A. Giraldi , Duncan F. Gillies , Daniel Rueckert

Nearly all existing Facial Action Coding System-based datasets that include facial action unit (AU) intensity information annotate the intensity values hierarchically using A--E levels. However, facial expressions change continuously and…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Wei Gan , Jian Xue , Ke Lu , Yanfu Yan , Pengcheng Gao , Jiayi Lyu